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Analog Devices Inc. AD8610ARMZ-R7
- Part No.:
- AD8610ARMZ-R7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
AD8610ARMZ-R7.pdf
- Description:
- IC OPAMP JFET 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,131
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Product details
Overview
AD8610ARMZ-R7 from Analog Devices is a precision JFET-input operational amplifier optimized for photodiode amplification, instrumentation-grade signal conditioning, and high-fidelity audio buffering. It delivers 6 nV/√Hz voltage noise density, ≤100 μV max offset voltage (B-grade), 50 V/μs slew rate, and 25 MHz gain bandwidth product - enabling fast, low-distortion signal acquisition in ±5 V to ±13 V dual-supply systems.
For engineers reviewing the AD8610ARMZ-R7 datasheet, AD8610ARMZ-R7 pinout, AD8610ARMZ-R7 application, or AD8610ARMZ-R7 equivalent, key selection criteria include ultralow input bias current (≤10 pA), wide −40°C to +125°C operating range, unity-gain stability with >1000 pF capacitive loads, and MSOP-8 packaging for space-constrained precision analog designs.
Technical Context
The AD8610ARMZ-R7 employs Analog Devices' XFCB dielectrically isolated process with N-channel JFET inputs and thin-film resistor trimming, enabling <1 μV/°C offset drift and stable performance across temperature. Its architecture eliminates phase reversal under overvoltage conditions and supports rail-to-rail output swing within 1.2 V of supplies at 1 kΩ load.
Unlike conventional JFET op amps, AD8610ARMZ-R7 maintains sub-200 pA input bias current up to +85°C and drives ≥10 nF capacitive loads without external compensation - critical for photodiode transimpedance stages and high-speed filter outputs where stability and settling fidelity are non-negotiable.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Noise Density | 6 nV/√Hz @ 1 kHz - enables low-noise amplification of weak sensor signals without dominating system noise floor |
| Max Input Offset Voltage | 100 μV (B-grade) - ensures ≤0.002% gain error in 5 V full-scale instrumentation front-ends |
| Slew Rate | 50 V/μs - supports clean 20 Vpp step response in <600 ns to 0.01% for ADC driver applications |
| Gain Bandwidth Product | 25 MHz - allows stable closed-loop operation up to 10× gain with >2 MHz small-signal bandwidth |
| Input Bias Current | 10 pA max @ 25°C - permits use with >1 GΩ feedback resistors in photodiode TIA configurations |
| Operating Temperature Range | −40°C to +125°C - qualified for automotive engine control, industrial PLC I/O, and medical imaging modules |
| Supply Voltage Range | ±5 V to ±13 V - accommodates legacy ±12 V systems and modern low-voltage precision rails |
Pinout & Package
AD8610ARMZ-R7 is housed in an 8-lead MSOP (RM) package with exposed pad for thermal enhancement. Pin 1 is NULL (no connect), Pin 2 is inverting input (−IN), Pin 3 is noninverting input (+IN), Pin 4 is negative supply (V−), Pin 5 is NULL, Pin 6 is output (OUT), Pin 7 is positive supply (V+), and Pin 8 is NULL.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 8 | No Connect (NC) | Unused pins - must remain unconnected per datasheet; no internal connection or function |
| 2 | Inverting Input (−IN) | Differential input node; low 8 pF differential capacitance minimizes phase shift in high-Z sensor interfaces |
| 3 | Noninverting Input (+IN) | Differential input node; matched to Pin 2 for CMRR >90 dB across 10 Hz–1 MHz |
| 4 | Negative Supply (V−) | Reference for internal biasing; supports rail-to-rail output swing down to −11.75 V @ ±13 V supply |
| 6 | Output (OUT) | Capable of ±45 mA drive into 1 kΩ load; stable with >1000 pF capacitive loading in unity-gain buffer mode |
| 7 | Positive Supply (V+) | Reference for internal biasing; supports rail-to-rail output swing up to +11.84 V @ ±13 V supply |
Key Features
| Feature | Design Value |
|---|---|
| No phase reversal | Guaranteed operation without polarity inversion when inputs exceed common-mode range - prevents servo lockup in closed-loop control |
| Low input bias current | ≤10 pA max at 25°C - enables high-impedance photodiode and piezoelectric sensor interfacing without signal degradation |
| Fast settling time | ≤600 ns to 0.01% for 10 V step - meets timing requirements for 1 MSPS SAR ADC drivers and precision integrators |
| High PSRR/CMRR | 110 dB PSRR and 110 dB CMRR @ DC - rejects power supply ripple and common-mode interference in noisy industrial environments |
| Capacitive load drive | Stable with ≥10 nF load @ ±5 V - eliminates need for isolation resistors in DAC output buffers and active filter stages |
Applications
| Photodiode Amplification | ATE Signal Conditioning |
|---|---|
Use Scenario: High-gain transimpedance amplifier for low-light biomedical photodiode arrays in pulse oximetry. IC Role / Device Role / Timing Role: Precision current-to-voltage conversion with minimal input current error and ultra-low noise floor. Use Value: 6 nV/√Hz noise density and ≤10 pA input bias current preserve SNR in sub-picoamp photocurrent measurements. |
Use Scenario: Front-end gain stage and reference buffer in automated test equipment for semiconductor parametric testing. IC Role / Device Role / Timing Role: Low-drift, fast-settling amplifier for programmable gain and offset calibration circuits. Use Value: 100 μV max offset and 600 ns settling to 0.01% ensure measurement repeatability across temperature and voltage sweeps. |
| High-Performance Audio | Medical Imaging Signal Chain |
Use Scenario: Output buffer and line driver in studio-grade audio DAC modules requiring THD < 0.0006%. IC Role / Device Role / Timing Role: Low-distortion voltage follower with high output drive capability and wide bandwidth. Use Value: 25 MHz GBP and 50 V/μs slew rate maintain flat frequency response and transient fidelity up to 200 kHz. |
Use Scenario: Signal conditioning stage in ultrasound beamformer ASIC interfaces and MRI gradient coil monitoring. IC Role / Device Role / Timing Role: Precision low-noise amplifier for analog front-end digitization of weak RF echo signals. Use Value: −40°C to +125°C qualification and 137 dB channel separation support reliable operation in thermally demanding medical enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision JFET op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA627BM | Higher supply current (4.5 mA vs. 3.0 mA), higher noise (12 nV/√Hz), 20 V/μs slew rate | Limited to +85°C max operating temperature; less suitable for under-hood automotive or industrial edge nodes | Choose OPA627BM only if higher output drive (>±65 mA) is required and thermal headroom permits |
| ADA4625-1ARZ | Lower noise (4.2 nV/√Hz), lower input bias (0.6 pA), but narrower supply range (±4.5 V to ±15 V) | Not rated for −40°C to +125°C; specified only to +105°C - unsuitable for extended-temperature industrial deployments | Select ADA4625-1ARZ when ultimate low-noise performance is prioritized over extended temperature compliance |
Compared with OPA627BM and ADA4625-1ARZ, AD8610ARMZ-R7 uniquely balances ultralow input bias current, wide temperature rating, and robust capacitive load drive - making it the preferred choice for photodiode TIAs and ATE systems requiring long-term calibration stability.
Availability
AD8610ARMZ-R7 is available at Aetrix Electronics and suitable for photodiode amplification, automated test equipment (ATE), and medical imaging signal chains requiring stable component supply, traceable lot history, and guaranteed long-term availability.
Supply support for AD8610ARMZ-R7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD8610ARMZ-R7 belongs to Analog Devices' precision JFET op amp family, engineered for applications demanding ultralow noise, minimal input bias current, and exceptional DC accuracy across extreme temperatures.
FAQ
What is the maximum input bias current specification for AD8610ARMZ-R7 over temperature?
The AD8610ARMZ-R7 specifies ≤10 pA maximum input bias current at 25°C. Over the full −40°C to +125°C operating range, it remains ≤2.5 nA (max), with typical values staying below 200 pA up to +85°C - a key advantage over competing JFET op amps whose bias current doubles every 10°C rise.
Does AD8610ARMZ-R7 support single-supply operation?
AD8610ARMZ-R7 is specified for dual-supply operation only (±5 V to ±13 V). It does not support true single-supply operation because its input common-mode range does not extend to the negative rail, and output swing is asymmetric relative to ground in single-rail configurations. For single-supply designs, consider the AD8605 series instead.
Can AD8610ARMZ-R7 drive a 10 nF capacitive load stably?
Yes - AD8610ARMZ-R7 is explicitly characterized to drive ≥10 nF capacitive loads stably with ±5 V supplies, as confirmed in Figure 45 of the Rev. F datasheet. No external compensation is required, though bandwidth reduction and increased overshoot occur proportionally to load capacitance.
What is the difference between AD8610ARMZ-R7 and AD8610ARZ?
AD8610ARMZ-R7 uses the 8-lead MSOP (RM) package with exposed thermal pad, while AD8610ARZ uses the 8-lead narrow SOIC (R) package. Both share identical electrical specifications and B-grade performance, but AD8610ARMZ-R7 offers superior thermal resistance (θJA = 190°C/W vs. 158°C/W) and smaller footprint - critical for high-density PCB layouts.
Is AD8610ARMZ-R7 RoHS compliant and lead-free?
Yes - AD8610ARMZ-R7 is RoHS compliant and lead-free, with a Pb-free finish on all package terminals. The MSOP-8 package (RM) meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) and is compatible with standard reflow soldering profiles.
AD8610ARMZ-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- J-FET
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 60V/µs
- Gain Bandwidth Product:
- 25 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 3 pA
- Voltage - Input Offset:
- 85 µV
- Current - Supply:
- 3mA
- Current - Output / Channel:
- 45 mA
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 26 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
AD8610ARMZ-R7 FAQ
1.How can I place an order for AD8610ARMZ-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8610ARMZ-R7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD8610ARMZ-R7 reliable?
The price and inventory of AD8610ARMZ-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8610ARMZ-R7 is usually 5 days.
3.What payment methods are accepted for AD8610ARMZ-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8610ARMZ-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8610ARMZ-R7?
AD8610ARMZ-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8610ARMZ-R7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD8610ARMZ-R7?
For technical support, including AD8610ARMZ-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8610ARMZ-R7 requirements.
6.How does Aetrix verify that AD8610ARMZ-R7 is sourced from the original manufacturer or authorized distributors?
All AD8610ARMZ-R7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD8610ARMZ-R7 meets industry standards.
7.What is the process for return or replacement of AD8610ARMZ-R7?
All AD8610ARMZ-R7 units undergo pre-shipment inspection (PSI). If there is an issue with AD8610ARMZ-R7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD8610ARMZ-R7 part is unused and in its original packaging.
Return procedure for AD8610ARMZ-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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